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NEW QUESTION 66
Given the above information, what is the short term corrosion rate of the above piping system?
- A. 550 Inches per year
- B. 0.005 inches per year
- C. 0.055 inches per year
- D. Not enough information given
Answer: C
NEW QUESTION 67
Which of the following methods can be used to join cast iron pipe?
- A. Compression
- B. Bell and spigot
- C. Welding
- D. Epoxy resin
Answer: B
NEW QUESTION 68
A leak test is an alternative to inspection of buried piping.
What is the minimum liquid pressure to adequately conduct this test?
- A. 1 1/4 times the MAWP
- B. 1 1/2 times the MAWP
- C. 10% greater than MAWP
- D. Actual MAWP
Answer: C
NEW QUESTION 69
For a single wall material thickness, over 0.375" through 0.50", what is the hole type designation for a source side penetrameter
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 70
A specialized valve generally used in erosive or high-temperature service is a valve
- A. slide
- B. swing check
- C. plug
- D. globe
Answer: A
NEW QUESTION 71
All piping system repair and alteration welding shall be done in accordance with:
- A. ASME B31.G
- B. API 570
- C. The code to which the system was built.
- D. ASME BPV IX
Answer: C
NEW QUESTION 72
The preheat zone shall extend beyond each edge of a pipe weld
- A. 2T
- B. 3T
- C. 1"
- D. 2"
Answer: C
NEW QUESTION 73
Besides ultrasonic instruments, what other method can be used to determine thickness measurements?
- A. AET
- B. MT
- C. RT
- D. ET
Answer: C
NEW QUESTION 74
Which of the following applies to socket welds in piping systems?
- A. Should be used in all welded piping
- B. Should be avoided where crevice corrosion may occur
- C. Should be welded using SAW only
- D. Should be avoided
Answer: B
NEW QUESTION 75
Impact testing of each form of material for any specification shall be done using procedures and apparatus in accordance with
- A. ASME Section V
- B. API 570
- C. AWS D 1.5
- D. ASTM A 370
Answer: D
NEW QUESTION 76
What is the minimum lifting power of an AC electromagnetic yoke used in magnetic particle inspection?
- A. 30 pounds lifting power at the minimum pole spacing
- B. 40 pounds lifting power at the maximum pole spacing
- C. 10 pounds lifting power at the maximum pole spacing
- D. 10 amps lifting power at the maximum pole spacing
Answer: C
NEW QUESTION 77
In a piping circuit, which of the following does not routinely have thickness measurements taken?
- A. Fittings
- B. Valves
- C. Dead legs
- D. Straight Run Pipe
Answer: B
NEW QUESTION 78
All proposed methods of design, execution, materials, welding procedures, examination and testing must be approved by the.
- A. new construction contracts
- B. plant manager
- C. inspector only
- D. inspector or piping engineer
Answer: D
NEW QUESTION 79
Determine the MAWP of the following piping system, at the next inspection, based on the following Design pressure/temperature Pipe description Outside diameter of pipe, D Thickness determined from Inspection Observed Corrosion Rate Next planned inspection 100 psig/750°F NPS 6, A285 C EFW, Straight Seam(No radiography) 6 5/8" 0.280"
0.01 inches/year 5 Years
MAWP=
- A. 125 psig
- B. 878 psig
- C. 522 psig
- D. 487 psig
Answer: C
NEW QUESTION 80
The transmitted film density through the radiographic image of the body of the appropriate hole penetrameter and the area of interest shall be minimum for radiographs made with a gamma ray source.
- A. 2.0
- B. 2.2
- C. 1.8
- D. 2.6
Answer: A
NEW QUESTION 81
Piping systems that are not located in high activity areas and do not significantly vaporize are designated as______.
- A. Class 2
- B. Class 3
- C. Owner/user designated system
- D. Class 1
Answer: B
NEW QUESTION 82
During a welder qualification test on 3/8" plate in the horizontal position, how many guided bends are required?
- A. 6 side bends
- B. 4 tensile specimens
- C. 2 nick breaks
- D. 1 face and 1 root bends
Answer: D
NEW QUESTION 83
Excessive cyclic stresses that are well below the static yield strength of the material result in.
- A. material failure
- B. fatigue cracking
- C. failure cracking
- D. creep cracking
Answer: B
NEW QUESTION 84
Is the thickness range on the WPS supported by the PQR?
- A. No
- B. Re qualification is required by ASME Section V
- C. Re qualification is required by API 570
- D. Yes
Answer: A
NEW QUESTION 85
What is the required thickness of straight run pipe subject to internal pressure only, based on the following conditions: NPS 14, SA 285 Gr.C, EFW Spiral seam (No radiography), operating at 216 psi / 378?F
- A. Not enough information given
- B. 1.1"
- C. 0.06"
- D. 0.11"
Answer: D
NEW QUESTION 86
can cause flame detectors used to indicate a furnace or boiler fire to give false indications on control panels.
- A. Radiographic inspection
- B. Piping alterations in the shop
- C. Ultrasonic inspection
- D. Welding or related repairs on piping
Answer: A
NEW QUESTION 87
API 570 covers the inspection of__________.
- A. new tank construction
- B. In-service piping
- C. In-service vessels
- D. new construction
Answer: B
NEW QUESTION 88
An API authorized piping inspector certificate is valid for years from its date of issuance
- A. unlimited
- B. 0
- C. 1
- D. 2
Answer: D
NEW QUESTION 89
Who is authorized to make a tack weld?
- A. A fitter
- B. A helper
- C. The welding foreman
- D. A qualified welder
Answer: D
NEW QUESTION 90
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